Universal Joint

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Index Entry

Universal Joint:

"... The two-axis universal joint, long known to man and often employed by mechanics as a flexible membrane--sandwiched between two diametrically opposed yoke-ended shafts, with yoke planes symmetrically oriented at 90 degrees to one another--constitute an octahedronal tensegrity, but its shafted axes tend to make it appear as a single-axis system." (Adapted.)